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Doubles in session


Current system
20507-0929
HDS 2970
HD 198441


Nearby doubles
40' : 20499-0851
RST4683

42' : 20527-0859
TOK 342AB

74' : 20509-0815
SHN 247

75' : 20499-0815
J 2322AB

77' : 20495-0815
TDT2563

84' : 20456-0853
HDO 160

89' : 20448-0917
HLD 163AB

93' : 20569-0942
BU 1034AB

96' : 20466-1043
KPP4343AB

96' : 20446-0853
J 2320AB

103' : 20490-0749
UC 4297

109' : 20446-1030
KPP3125

111' : 20452-0814
TOB 312

111' : 20455-0809
HJ 925

111' : 20556-1052
LV 8

114' : 20581-0902
ELP 46

120' : 20441-1038
SHN 40

121' : 20588-0921
BU 764AB

123' : 20476-1123
J 1401

126' : 20508-1135
J 2324AB

126' : 20531-0728
BRT 556

131' : 20531-1134
CHR 101

132' : 20589-1020
GWP3024

133' : 20414-0835
HDO 159

133' : 20590-1017
RST4071

136' : 20457-1123
RST4068



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20507-0929 HDS 2970 (HD 198441)

 
 
20h 50m 41.57s -09° 28' 47.5" P.A. 114.00 sep 15.2 mag 9.01,10.02 Sp G0 dist. 163.67 pc (533.89 l.y.)
 
 
Coord 2000 20507-0929 Discov num HDS2970 Comp Coord arcsec 2000 20 50 41.57 -09 28 47.5
Date first 1892 Date last 2016 Obs 13
Pa first 114 Pa last 113.7 P.A. Now (θ) 113.7°
Sep first 14.9 Sep last 15.152 Sep. Now (ρ) 15.152"
Mag pri 9.01 Mag sec 10.02 delta mag (ΔM) 1.01 Spectral class G0 (yellow)
Pri motion ra +002 Sec motion ra +003
Pri motion dec +004 Sec motion dec +002
Notes
rPM=0.5
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198441 Constellation Aquarius SAO 144865 HIP 102890
Tycho2 5761-01881-1 Gaia DR2 6902698608647211392 HD 198441 BD BD-10 5521
Distance 163.67 Distance ly 533.89
 
 
WDS 20507-0929 HDS 2970 (HD 198441) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20507-0929 HDS2970 2004 7 114 14.8 9.01 10.02 G0 D 205041.57-092847.5
20507-0929 HDS2970 2010 9 115 14.9 9.01 10.02 G0 205041.57-092847.5
20507-0929 HDS2970 2016 10 114 15.2 9.01 10.02 G0 205041.57-092847.5

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20507-0929 HDS 2970 (HD 198441) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20507-0929 HDS 2970 (HD 198441) : MEASURES
 
 
No records found.

 
 
WDS 20507-0929 (HD 198441) : VIRTUAL EYEPIECE
 
 

20507-0929 HDS2970A mag 9.01 Sp G0 20507-0929 HDS2970B sep 15.0 P.A. 114.00 mag 10.02 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20507-0929 (HD 198441) : ALADIN DSS IMAGE @ 20h 50m 41.57s -09° 28' 47.5"
 
 
 
 
WDS 20507-0929 HDS 2970 (HD 198441) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20507-0929 HDS2970 distance=0' 20499-0851 RST4683 distance=40' 20527-0859 MCA 64Aa,Ab distance=42' 20527-0859 TOK 342AB distance=42' 20509-0815 SHN 247 distance=74' 20499-0815 J 2322AB distance=75' 20495-0815 TDT2563 distance=77' 20456-0853 HDO 160 distance=84' 20448-0917 HLD 163AB distance=89' 20448-0917 HLD 163AC distance=89' 20569-0942 BU 1034AB distance=93' 20569-0942 BU 1034AC distance=93' 20466-1043 KPP4343BC distance=96' 20466-1043 KPP4343AB distance=96' 20466-1043 KPP4343AC distance=96' 20446-0853 J 2320AB distance=96' 20446-0853 J 2320AC distance=96' 20490-0749 UC 4297 distance=103' 20446-1030 KPP3125 distance=109' 20452-0814 TOB 312 distance=111' 20455-0809 HJ 925 distance=111' 20556-1052 LV 8 distance=111' 20581-0902 ELP 46 distance=114' 20441-1038 SHN 40 distance=120' 20588-0921 BU 764AB distance=121' 20588-0921 BU 764AB,E distance=121' 20588-0921 BU 764AB,C distance=121' 20588-0921 BU 764AB,D distance=121' 20588-0921 BOO 1DF distance=122' 20588-0921 BU 764DE distance=122' 20588-0921 BU 764CE distance=123' 20476-1123 J 1401 distance=123' 20508-1135 J 2324AB distance=126' 20508-1135 J 2324AC distance=126' 20531-0728 BRT 556 distance=126' 20508-1135 J 2324BC distance=126' 20531-1134 CHR 101 distance=131' 20589-1020 GWP3024 distance=132' 20414-0835 HDO 159 distance=133' 20590-1017 RST4071 distance=133' 20457-1123 RST4068 distance=136' 20534-0719 RST4685 distance=137' 20583-1050 CVR 878 distance=139' 20430-0806 UC 4266 distance=142' 20426-1044 TDT2490 distance=142' 20500-1154 BRG 31 distance=146' 20518-1154 UC 4312 distance=147' 20593-0812 AHD 31 distance=149' 20455-0716 A 3000 distance=154' 20560-1143 RST4070 distance=155' 20555-1147 HU 81 distance=156' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20507-0929 HDS2970 114 15.2
Show 20499-0851 RST4683 22 1.5 40
Show 20527-0859 MCA 64 Aa,Ab 127 0.0 42
Show 20527-0859 TOK 342 AB 114 503.2 42
Show 20509-0815 SHN 247 -1 0.5 74
Show 20499-0815 J 2322 AB 8 3.9 75
Show 20495-0815 TDT2563 92 0.6 77
Show 20456-0853 HDO 160 201 5.7 84
Show 20448-0917 HLD 163 AB 99 2.2 89
Show 20448-0917 HLD 163 AC 239 17.8 89
Show 20569-0942 BU 1034 AB 166 2.2 93
Show 20569-0942 BU 1034 AC 66 177.8 93
Show 20466-1043 KPP4343 BC 261 2.5 96
Show 20466-1043 KPP4343 AB 317 25.5 96
Show 20466-1043 KPP4343 AC 314 26.3 96
Show 20446-0853 J 2320 AB 135 3.4 96
Show 20446-0853 J 2320 AC 54 10.5 96
Show 20490-0749 UC 4297 261 21.3 103
Show 20446-1030 KPP3125 203 3.8 109
Show 20452-0814 TOB 312 26 40.8 111
Show 20455-0809 HJ 925 174 10.1 111
Show 20556-1052 LV 8 309 1.1 111
Show 20581-0902 ELP 46 316 11.5 114
Show 20441-1038 SHN 40 28 0.3 120
Show 20588-0921 BU 764 AB 1 0.7 121
Show 20588-0921 BU 764 AB,E 86 54.5 121
Show 20588-0921 BU 764 AB,C 110 102.8 121
Show 20588-0921 BU 764 AB,D 21 136.2 121
Show 20588-0921 BOO 1 DF 195 18.3 122
Show 20588-0921 BU 764 DE 177 124.3 122
Show 20588-0921 BU 764 CE 312 57.3 123
Show 20476-1123 J 1401 304 4.3 123
Show 20508-1135 J 2324 AB 192 27.2 126
Show 20508-1135 J 2324 AC 183 25.8 126
Show 20531-0728 BRT 556 109 2.5 126
Show 20508-1135 J 2324 BC 78 4.0 126
Show 20531-1134 CHR 101 183 0.2 131
Show 20589-1020 GWP3024 221 182.1 132
Show 20414-0835 HDO 159 236 8.2 133
Show 20590-1017 RST4071 158 1.8 133
Show 20457-1123 RST4068 159 1.0 136
Show 20534-0719 RST4685 81 2.1 137
Show 20583-1050 CVR 878 54 18.0 139
Show 20430-0806 UC 4266 144 21.3 142
Show 20426-1044 TDT2490 209 0.6 142
Show 20500-1154 BRG 31 343 0.4 146
Show 20518-1154 UC 4312 286 52.7 147
Show 20593-0812 AHD 31 161 10.6 149
Show 20455-0716 A 3000 64 0.7 154
Show 20560-1143 RST4070 13 1.8 155
Show 20555-1147 HU 81 55 0.3 156

 
 
WDS 20507-0929 : COMPONENTS
 
 
  A
B pa=114.0°
sep=14.98"
 
 
20507-0929 A
 
 
Componente originario normalizzato AB Name HD 198441 Coord arcsec 2000 205041.57-092847.5 Mag 9.01
Spectral class G0 (yellow) PmRA 2.00 PmDE 4.0 SAO 144865
HIP 102890 Tycho2 5761-01881-1 HD 198441 BD BD-10 5521
Tycho2
Tycho2 5761-01881-1 Pflag RAmdeg 312.67319849 DEmdeg -9.47985381
PmRA 2.7 PmDE 3.3 E RAmdeg 11 E DEmdeg 12
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.79 EpDEm 1988.70
Num 9 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.7 BTmag 9.972 E BTmag 0.026 VTmag 9.005
E VTmag 0.017 Prox 151 TYC T HIP 102890
CCDM A RAdeg 312.67319194 DEdeg -9.47986250 EpRA 1990 1.49
EpDE 1990 1.21 E RAdeg 10.7 E DEdeg 12.9 Posflg
Corr -0.4
SAO
SAO 144865 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 0.005 Vmag 8.8 SpType G0
Double code Source 26 CatNum 7460 DM BD-10 5521
DMcomp BDsup HD 198441 M HD 0
GC RA1950rad 5.44538666 DE1950rad -0.16872892 PmRA2000 0.0007
PmDE2000 0.003
Hipparcos
Catalog H HIP 102890 Proxy RAhms 20 50 41.56
DEdms -09 28 47.5 Vmag 8.88 VarFlag 2 R Vmag H
RAdeg 312.673 DEdeg -9.47987 AstroRef A Plx 7.93
CCDM 20507-0929 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 114 Rho 15.084 HD 198441 BD BD-10 5521
CD CP Dm number -10 5521 VIred 0.79
SpType G0 R SpType Coord arcsec 2000 205041.56-092847.5
Hipparcos 2
HIP 102890 Sn 15 So 3 Nc 2
RArad 5.4571764547 DErad -0.1654548704 Plx 6.11 PmRA 10.92
PmDE 32.31 E RArad 7.68 E DErad 7.67 E Plx 11.3
E pmRA 10.21 E pmDE 7.63 Hpmag 9.0353 E Hpmag 0.0124
SHp 0.041 VA 0 BV 0.805 E BV 0.025
VI 0.83
CCDM
Ccdm 20507-0929 RComp Comp A Note1
Note2 Discov num DRAs -0.43 DDEs 12.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.0 Sp G0 PmNote *
PmRA 3 PmDE 5 Dm number -10 5521 Cat1 BD
Name2 144865 Cat2 SAO HD 198441 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102890
 
 
20507-0929 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205042.49-092853.6 Mag 10.02 PmRA 3.00
PmDE 2.0 Tycho2 5761-01881-2 Calc delta mag 1.01 Calc coord yes
Tycho2
Tycho2 5761-01881-2 Pflag RAmdeg 312.67707070 DEmdeg -9.48156265
PmRA 1.0 PmDE 2.9 E RAmdeg 22 E DEmdeg 24
E pmRA 1.6 E pmDE 1.6 EpRAm 1987.60 EpDEm 1986.44
Num 4 Q RAmdeg 1.0 Q DEmdeg 0.2 Q pmRA 1.0
Q pmDE 0.2 BTmag 10.499 E BTmag 0.040 VTmag 10.018
E VTmag 0.037 Prox 151 TYC HIP 102890
CCDM B RAdeg 312.67706972 DEdeg -9.48157028 EpRA 1990 1.44
EpDE 1990 1.22 E RAdeg 22.5 E DEdeg 25.6 Posflg
Corr -0.6
CCDM
Ccdm 20507-0929 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.49 DDEs 6.3
R dRAs 82 Year 1991 Theta 114 Rho 15.1
Obs 1 Vmag 9.9 Sp PmNote *
PmRA 3 PmDE 5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102890